{"id":"CVE-2021-42913","aliases":["EUVD-2021-29868","GHSA-4jp6-449x-6fgh"],"status":"published","title":"The SyncThru Web Service on Samsung SCX-6x55X printers allows an attacker to gain access to a...","description":"The SyncThru Web Service on Samsung SCX-6x55X printers allows an attacker to gain access to a list of SMB users and cleartext passwords by reading the HTML source code. Authentication is not required.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.01848,"percentile":0.79259,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-522","CWE-922"],"published":"2021-12-20T08:23:40Z","modified":"2026-06-17T04:10:16Z","exploits":[{"source":"pocgithub","id":"kernel-cyber/CVE-2021-42913","title":"kernel-cyber/CVE-2021-42913","date":"2021-12-21","url":"https://github.com/kernel-cyber/CVE-2021-42913"}],"products":[{"vendor":"samsung","product":"syncthru_web_service"}],"references":[{"url":"https://security.samsungmobile.com/securityUpdate.smsb","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://medium.com/%40windsormoreira/samsung-printer-scx-6x55x-improper-access-control-cve-2021-42913-bd50837e5e9a","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-42913"},{"url":"https://medium.com/@windsormoreira/samsung-printer-scx-6x55x-improper-access-control-cve-2021-42913-bd50837e5e9a"},{"url":"https://github.com/advisories/GHSA-4jp6-449x-6fgh"}],"sources":{"cve":[{"id":"CVE-2021-42913","description":"The SyncThru Web Service on Samsung SCX-6x55X printers allows an attacker to gain access to a list of SMB users and cleartext passwords by reading the HTML source code. Authentication is not required.","status":"published","published":"2021-12-20T08:23:40Z","modified":"2024-08-04T03:47:12.377Z","updated_at":"2026-11-02T14:32:58.739039Z"}],"euvd":[{"id":"EUVD-2021-29868","description":"The SyncThru Web Service on Samsung SCX-6x55X printers allows an attacker to gain access to a list of SMB users and cleartext passwords by reading the HTML source code. Authentication is not required.","status":"published","published":"2021-12-20T08:23:40Z","modified":"2024-08-04T03:47:12Z","updated_at":"2026-11-03T03:24:15.299027Z"}],"ghsa":[{"id":"GHSA-4jp6-449x-6fgh","title":"The SyncThru Web Service on Samsung SCX-6x55X printers allows an attacker to gain access to a...","description":"The SyncThru Web Service on Samsung SCX-6x55X printers allows an attacker to gain access to a list of SMB users and cleartext passwords by reading the HTML source code. Authentication is not required.","status":"published","published":"2021-12-21T00:00:50Z","modified":"2023-08-17T05:01:54Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-922"],"updated_at":"2026-11-02T14:54:45.250925Z"}],"nvd":[{"id":"CVE-2021-42913","description":"The SyncThru Web Service on Samsung SCX-6x55X printers allows an attacker to gain access to a list of SMB users and cleartext passwords by reading the HTML source code. Authentication is not required.","status":"published","published":"2021-12-20T09:15:06.64Z","modified":"2026-06-17T04:10:16.14Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-522"],"updated_at":"2026-11-02T14:07:02.566991Z"}]}}